Piston for pneumatic automotive lifting device



FIG. 1 is a perspective view of a piston for pneumatic automotivelifting device showing a first embodiment my new design;

FIG. 2 is a front side elevational view of FIG. 1, the elevational viewfrom the right, left, and rear being identical;

FIG. 3 is a top plan view of FIG. 1;

FIG. 4 is a bottom plan view of FIG. 1;

FIG. 5 is a perspective cross-sectional view taken along the line 5-5 inFIG. 1;

FIG. 6 is a perspective view a piston for pneumatic automotive liftingdevice showing a second embodiment of my new design;

FIG. 7 is a front side elevational view of FIG. 6, the elevational viewsfrom the right, left, and rear being identical;

FIG. 8 is a top plan view of FIG. 6;

FIG. 9 is a bottom plan view of FIG. 6;

FIG. 10 is a perspective cross-sectional view taken along the line 10-10in FIG. 6;

FIG. 11 is a perspective view of a piston for pneumatic automotivelifting device showing a third embodiment of my new design;

FIG. 12 is a front side elevational view of FIG. 11, the elevationalviews from the right, left, and rear thereof being identical;

FIG. 13 is a top plan view of FIG. 12;

FIG. 14 is a bottom plan view of FIG. 12; and,

FIG. 15 is a perspective cross-sectional view taken along the line 15-15in FIG. 11.

CLAIM The ornamental design for a piston for pneumatic automotivelifting device, as shown and described.